Re: Emacs's set-frame-size can not work well with gnome-shell?

[martin rudalics]

> By the way, any chance we can have a variable or an accessor function
> that would return what the current WM identifies as?

I started to look into this but with meager results so far.  From what I
read on the Web there's no standardized approach to find that out.

> Emacs might not want to alter its behavior based on that for now, but
> third-party packages (such as posframe) can experiment with that in
> the meantime.

I'd urgently need it for Bug#38452.

> And also, what's the best way to detect which toolkit was Emacs
> compiled with? Only look for 'gtk3' substring in
> system-configuration-options?

It might not be there when the default is used.  It's hidden somewhere
behind C-h C-a.

martin